IUPAC Name: 2,3-dimethylbenzene-1,4-diol 
Empirical Formula: C₈H₁₀O₂
Molecular Weight: 138.1638g/mol
Structure of 1,4-Benzenediol,2,3-dimethyl- (CAS NO.608-43-5):

Index of Refraction: 1.582
Molar Refractivity: 39.66 cm³
Molar Volume: 118.8 cm³
Polarizability: 15.72×10^-24cm³
Surface Tension: 47.8 dyne/cm
Density: 1.162 g/cm³
Flash Point: 145.4 °C
Enthalpy of Vaporization: 55.22 kJ/mol 
Melting Point: 223-225 °C(lit.)
Boiling Point: 291.5 °C at 760 mmHg
Vapour Pressure: 0.00111 mmHg at 25°C 
Physical Appearance: grey to purple powder
Water Solubility: Slightly soluble in water
Stability: Stable. Incompatible with strong oxidizing agents. 
Product Categories: Anthraquinones, Hydroquinones and Quinones;Polymer Additives;Polymer Science;Stabilizers
 Canonical SMILES: CC1=C(C=CC(=C1C)O)O
InChI: InChI=1S/C8H10O2/c1-5-6(2)8(10)4-3-7(5)9/h3-4,9-10H,1-2H3
InChIKey: BXJGUBZTZWCMEX-UHFFFAOYSA-N

Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
F: 8-9-23

  1,4-Benzenediol,2,3-dimethyl- , its cas register number is 608-43-5. It also can be called 2,3-Dimethylhydroquinone
2,3-Xylohydroquinone ; NSC 108080 ; o-Xylene-3,6-diol ; o-Xylohydroquinone . 1,4-Benzenediol,2,3-dimethyl- (CAS NO.608-43-5) is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.